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Finding the Fourth Proportional to 940,710.30, 1,410,657.21 and 341,472.30

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Solution

The fourth proportional to 940,710.30, 1,410,657.21 and 341,472.30 is: 512,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,710.30 : 1,410,657.21 = 341,472.30 : x
  2. Step 2: Convert to fraction form
    940,710.30/1,410,657.21 = 341,472.30/x
  3. Step 3: Cross multiply
    940,710.30x = 1,410,657.21 × 341,472.30
  4. Step 4: Simplify right side
    940,710.30x = 481,700,362,010.28
  5. Step 5: Solve for x
    x = 481,700,362,010.28/940,710.30
  6. Step 6: Final answer
    x = 512,060.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.